1000-day countdown celebrations of Beijing 2022 Olympic Winter Games held in Zhangjiakou City, N China's Hebei

Aerial photo taken on May 11, 2019 shows the performance during the 1000-day countdown celebrations of the Beijing 2022 Olympic Winter Games held in Chongli of Zhangjiakou City, north China's Hebei Province. (Xinhua/Xing Guangli)